Question 83

Two girls travel in opposite directions, the former from 'A' at a speed of 25 km/h and takes 20 hours to reach her destination 'B'. The latter from 'B' takes 25 hours to reach her destination 'A' meeting the former on her way. What is the latter's speed?

Solution

Speed of former = 25 km/hr

Time = 20 hours

Distance A to B = speed $$\times$$ time = 25 $$\times$$ 20 = 500 km

Time taken by latter = 25 hours

Speed = distance/time = 500/25 = 20 km/hr

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